Kouichi Hirose - 広瀬康一

An ally and classmate who meets [Jousuke](https://anilist.co/character/13085/Higashikata-Jousuke) when [Joutarou](https://anilist.co/character/4003/Kuujou-Joutarou) is searching for him, resulting in the two becoming quick friends. His stand is Echoes, which has three distinct forms, or Acts (Koichi can only call upon one at any given time).